Humberto Eustaquio Lopes

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Rio de Janeiro, BR

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Patents Applicationslast 30 patents

Information Patent Application
COMBINED TREATMENT PROCESS FOR REMOVING AND INHIBITING SCALE
- Publication number 20240228860
- Publication date Jul 11, 2024
- Petroleo Brasileiro S.A. - PETROBRAS
- Guiseppe Sampaio De Almeida Cardoso
- E21 - EARTH DRILLING MINING
Information Patent Application
COMBINED TREATMENT PROCESS FOR REMOVING AND INHIBITING SCALE
- Publication number 20230002667
- Publication date Jan 5, 2023
- Petroleo Brasileiro S.A. - PETROBRAS
- Giuseppe Sampaio de Almeida Cardoso
- E21 - EARTH DRILLING MINING